diff --git a/src/ui/contacts-box.ui b/src/ui/contacts-box.ui
index ff2dd1b..8467a1a 100644
--- a/src/ui/contacts-box.ui
+++ b/src/ui/contacts-box.ui
@@ -4,13 +4,21 @@
     <child>
       <object class="AdwToolbarView" id="child">
         <child type="top">
-          <object class="AdwClamp">
+          <object class="GtkBox">
+            <style>
+              <class name="toolbar"/>
+            </style>
+            <property name="orientation">vertical</property>
             <child>
-              <object class="GtkSearchEntry" id="search_entry">
-                <property name="margin-start">12</property>
-                <property name="margin-end">12</property>
-                <property name="margin-top">12</property>
-                <property name="margin-bottom">12</property>
+              <object class="AdwClamp">
+                <property name="maximum-size">588</property> <!-- 600px - 2 * 6px due to toolbar margin to match clamp below -->
+                <property name="tightening-threshold">388</property> <!-- 400px - 2 * 6px due to toolbar margin to match clamp below -->
+                <child>
+                  <object class="GtkSearchEntry" id="search_entry">
+                    <property name="margin-start">6</property>
+                    <property name="margin-end">6</property>
+                  </object>
+                </child>
               </object>
             </child>
           </object>